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I G. B. BOOMER] Process of and Apparatus for Ev aportaing (No Model.)

, Sacoharine Liquids.

Nbi 236,299.

Patented Jan; 4,1881.

,Xxwewbon Gaul 500mm Ywawamfi W M M? 'GEORGE B. BOOMER, OF NET V YORK, N. Y.

PROCESS OF AND APPARATUS FOR EVAPORATING SACCHARINE LIQUIDS.

SPECIFICATION formingpart of Letters Patent No. 236,299, dated J'anuary4, 1881.

Application filed November 24, 1880. (No model.)

To all whom't't may concern:

Be it known that I, GEORGE B. BOOMER, a citizen'of the United States, residing at New York, in the county and State of New York, have invented new and useful Improvements in Process of and Apparatus for Evaporating saccharine Liquids, of which the following is a specification.

This invention relates to the evaporation of saccharine liquids, such as cider, maplesap, &c., for the purpose of separating the water from the saccharine matter, and also for separating and removing therefrom the scum, so called, in the manufacture of jellies and sirups.

It consists in an improved process, and also in the means .or apparatus employed for carrying out the same.

I will explain my invention as applied to the manufacture of jelly from cider. Acornmon method employed in making jellyfrom cider has been to use evaporating-pans having a series of channels which prolong the course of the cider or saccharine liquid, a furnace beneath the pans being relied upon to effect the required evaporation. This method has several disadvantages, one of which is, that the particles of saccharine matter are liable to be burned, and great care and skill are required to obtain jelly of a fair or merchantable character.

My improved process consists in passing the saccharine liquid through a series of independent evaporating-pipes arranged horizontally, or nearly so, one over the other, open at both ends and surrounded by tubes or jackets, forming around the evaporating-pipes annular spaces into and through which steam is passed, the raw cider or other liquid being delivered into the upper evaporatingpipe, and passing out of its discharge end into a reservoir the bottom or lower part of which communicates with the receiving end of the next lower evaporating-pipe, and so on through the series of pipes.

In the apparatus above referred to thereservoirs are alternately arranged at the opposite ends of the evaporating-pipes, with the reservoir of one pipe below the free or discharge end of the pipe next above it. Into the reservoirs are fitted removable strainers, and at the discharge ends of the evaporating-pipes are arranged dam thing-segments. To the heatingjackets are connected both steam-supply pipes, each having a check-valve, and steam-escape pipes, the whole being hereinafter more fully described.

This invention is illustrated in the accompanying drawings, in which Figure l represents a vertical cross-section. Fig. 2 is a side elevation, partly in section. Fig. 3 is an end view of one of the evaporating-pipes.

Similar letters indicate corresponding parts.

The letter A designates the evaporatingpipes; B, the reservoirs (J, the heating jackets; D, the strainers; E, the dammingsegments; F, the steam-supply pipes; G, their check-valves, and H the steam-escape pipes.

The evaporati n g-pi pes A are preferably made of a non-corrosive material, as copper or brass, and they are placed in an approximately horizontal position, one over the other, upon a suitable frame-work. Both ends of the evaporating-pipes are left open and the reservoirs B are connected thereto at one end in any suitable manner, these reservoirs being also preferably made of a non-corrosive material. The location of the reservoirs B is alternately at the opposite ends of the evaporating-pipes A, the reservoir of one evaporating-pi 'ie being below the free or discharge end of the pipe next above it, as clearly shown in Fig.2.

The strainers D are titted into either of the reservoirs B, the latter being of a uniform size; but they are left detached from the reservoirs to render the same removable, and each is provided with a suitable handle.

The damming-segments E are inserted into the discharge ends of the evaporating-pipes A, and are capable of removal.

The heating-jackets O surround the evaporating -pipes A, respectively, terminating a short distance within the ends thereof, and the jackets are made steam-tight at their 0pposite ends by means of stuffing-boxes.-

The steam-supply pipes Fantl escape-pipes H are connected to the heating-jackets C, respectively, at or near the opposite ends of the latter, so that steam is admitted to the jackets at one end, while it escapes at the opposite end. The steam-supply pipes F emanate from a drum, 1, connecting with a steam-supply source, while the steam-escape pipes H lead into a drum, J, connecting with a steam-trap, K.

In applying my apparatus to use-say for the evaporation of cider-steam is admitted to the jackets O and the raw cider is run into the reservoir B of the uppermost evaporatingpipe, A, whence it flows through such pipe and into the reservoir of the next lower or second evaporating-pipe, thence into the reservoir of the third pipe, and so on, until it issues from the lowermost evaporating-pipe, where it is caught in a suitable vessel.

It will be readily understood that by the heat to which the liquid is subjected in its passage through the several pipes it is evaporated in an ett'ective manner, the vapor passing off at the ends of the pipes.

The strainers D are used when it is desirable to skim the liquid, and can be used to advantage in the evaporation of cider. In most cases, however, this liquid can be entirely deprived of its scum after its passage through one or two of the evaporating-pipes, and hence it is necessary to apply the strainers to a few ofthe reservoirs only. By removingthe strainers 1) from the reservoirs the strainers can be cleansed with facility, while the reservoirs at the same time are laid bare, fora like purpose.

The function of the segments E is to dam or partly obstruct the liquid at the discharge end of the evaporating-pipes A, so that the flow of the liquid is retarded, while any scum rising to its surface within the pipes passes off ahead of the body of the liquid. A few only of the damming-segments E need generally be employed, the number thereof usually corresponding to that of the strainers. If the ments E are removed from the pipes, the latter can be readily cleaned by a suitable wiper introduced therein through their free or discharge ends.

By applying a check-valve to each of the steam-supply pipes F the degree of heat in each of the jackets G can be controlled with ease, and to further this object each jacket may be furnished with a steam-gage.

Vhat I claim as new, and desire to secure by Letters Patent, is

l. The process of evaporating the water from cider and other saccharine liquids, by passing the same through a series of independent pipes arranged horizontally, or nearly so, one over the other, open at both ends, and surrounded by jackets or tubes forming about the pipes annular spaces into and through which steam is passed, the raw cider or liquid being delivered into the upper pipe and allowed to pass out of its discharge end into a reservoir the bottom or lower part of which communicates with the receiving end of the next lower pipe, and so on through the series of pipes, as set forth.

2. In an evaporator, the combination of a series of independent evaporating-pipes (two or more) open at both ends, a series of reservoirs, one to each of such pipes, connected thereto at one end, and heating-jackets surrounding the evaporating-pipes, respectively, the whole adapted to operate substantially as described.

3. The combination, with independent evaporating-pipes open at both ends, and heatingjackets surroumling the same, of reservoirs connected to the evaporating-pipes, respectively, and alternately arranged at their opposite ends with the reservoir of one evaporating-pipe below the free end of the evaporatingpipe next above it, substantially as and for the purpose described.

4. The combination, with the independent evaporating-pipes, the heating-jackets, and the reservoirs, of removable strainers fitted into the reservoirs, substantially as and for the purpose described.

5. The combination, with the independent evaporating-pipes, the heating-jackets, and the reservoirs, ofdam liming-segments arranged at the discharge ends of the evaporating-1)ipes, substantially as and for the purpose described.

6. The combination, with the independent evaporating-pipes, the liquid-supply pans, and the heating-jackets, of steam -supply pipes, each having a check-valve, aml steam-escape pipes, both connected to the heating-jackets, substantially as and for the purpose described.

In testimony whereof I have hereunto set 

